Limaraka tsa bolt tse matla haholo tse hlahisoang ke feme ea rona li kenyelletsa metric 8.8, 10.9, 12.9, ASTM standard UNC Gr5, 8 grade. Linate tse matla haholo li kenyelletsa metric 8 le 10 grade, le ANSI standard grade 5 le G8, tseo kaofela li hlokang phekolo ea mocheso.